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SRR1005-271K is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Bourns Inc.. Its product description is FIXED IND 270UH 400MA 1.1OHM SMD. Review the specifications below when checking this part for your BOM.
Fixed Inductors specifications for SRR1005-271K
- Description：FIXED IND 270UH 400MA 1.1OHM SMD
- Series：SRR1005
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：270 µH
- Tolerance：±10%
- Current Rating (Amps)：400 mA
- Current - Saturation (Isat)：520mA
- Shielding：Shielded
- DC Resistance (DCR)：1.1Ohm Max
- Q @ Freq：30 @ 796kHz
- Frequency - Self Resonant：4.8MHz
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Inductance Frequency - Test：1 kHz
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：0.500" L x 0.394" W (12.70mm x 10.00mm)
- Height - Seated (Max)：0.205" (5.20mm)
- Features：-
Fixed Inductors datasheet and documents for SRR1005-271K
Fixed Inductors Overview
The Bourns SRR1005-271K is a shielded drum core wirewound power inductor designed for surface mount applications. It features an inductance of 270 µH with a tolerance of ±10% and a maximum DC resistance of 1.1 Ohm. The component supports a maximum DC current of 400 mA and exhibits a quality factor of 30 at a test frequency of 1 kHz. Its compact shielding package minimizes electromagnetic interference, making it suitable for efficient power delivery in space-constrained electronic designs.
Fixed Inductors Feature Summary
- Shielded drum core construction reduces electromagnetic interference
- Wirewound technology ensures stable inductance performance
- Surface mount package facilitates automated assembly
Fixed Inductors Applications
- Power supply circuits
- DC-DC converters
- Portable electronic devices
Fixed Inductors Procurement Notes
Verify the specific part number against official Bourns documentation to confirm electrical parameters and packaging details. Ensure compatibility with surface mount manufacturing processes. Check for any recent product lifecycle notices or availability updates directly from authorized distributors before finalizing procurement plans.
Fixed Inductors Selection Notes
Select this component based on required inductance values and current handling capabilities. Consider the physical dimensions and shielding requirements for the target application. Evaluate thermal performance and saturation characteristics to ensure reliable operation within the system's operational limits.
Fixed Inductors Part Context
This component belongs to the SRR1005 series of shielded power inductors from Bourns Inc. The series offers various inductance options tailored for different power management needs. These inductors are engineered for high reliability and consistent performance in modern electronic systems requiring compact magnetic components.
Fixed Inductors Replacement Considerations
Consult official Bourns documentation for verified substitute part numbers within the SRR1005 series or equivalent shielded inductor families. Cross-reference electrical specifications such as inductance, current rating, and DC resistance to ensure functional equivalence.
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